Cerca risorse accademiche

Materie / parole chiave: survey design, sample design, question and questionnaire design, data collection, nonresponse, data quality; Social Sciences: Social sciences (General)

Materie / parole chiave: Medicina

Materie / parole chiave: Ciencia; Ciencias Espaciales; Astronomía

Materie / parole chiave: Medicina; Salud Pública

Deep convolutional neural networks have performed remarkably well on many Computer Vision tasks. However, these networks are heavily reliant on big data to avoid overfitting. Overfitting refers to the phenomenon when a n...

CONTEXT: Little is known about lifetime prevalence or age of onset of DSM-IV disorders. OBJECTIVE: To estimate lifetime prevalence and age-of-onset distributions of DSM-IV disorders in the recently completed National Com...

BACKGROUND: Little is known about the general population prevalence or severity of DSM-IV mental disorders. OBJECTIVE: To estimate 12-month prevalence, severity, and comorbidity of DSM-IV anxiety, mood, impulse control, ...

A major assumption in many machine learning and data mining algorithms is that the training and future data must be in the same feature space and have the same distribution. However, in many real-world applications, this...

Four hundred M-mode echocardiographic surveys were distributed to determine interobserver variability in M-mode echocardiographic measurements. This was done with a view toward examining the need and determining the crit...

A 36-item short-form (SF-36) was constructed to survey health status in the Medical Outcomes Study. The SF-36 was designed for use in clinical practice and research, health policy evaluations, and general population surv...

The Sloan Digital Sky Survey (SDSS) will provide the data to support detailed investigations of the distribution of luminous and non- luminous matter in the Universe: a photometrically and astrometrically calibrated digi...

Materie / parole chiave: surveying, built environment, real estate management, real estate economics; Technology: Engineering (General). Civil engineering (General): Surveying; Social Sciences: Communities. Classes. Races: Urban groups. The city...

Several interdisciplinary studies highlight imperfect information as a possible explanation of skill mismatches, which in turn has implications for unemployment and informality rates. Despite information failures and the...

This research emerged from the need of consolidating a meaningful bilingual methodology for children from three- to five-years-of-age from low socioeconomic backgrounds belonging to the public education system, where the...

The objective of this exploratory study is to describe whether the gender of adolescent students may be an influential factor in motivating their attitudes towards academic achievements or potential professional aspirati...

As a key outcome of the book, a statistical analysis will be carried out to confirm social groups´ homogeneity and confrontation within the Spanish society. Data for the statistical analysis are taken from Survey number...

La relevancia de la influencia del origen familiar sobre el contenido y la dirección de la escolarización de la prole ha sido un tema recurrente de la sociología de la educación, abonando al desarrollo de una sociolo...

L'objectiu d'aquest treball és trobar noves evidències sobre l'eficàcia de les ajudes públiques a l'R+D empresarial des d'una triple vessant. En primer lloc, es determina si les ajudes que perceben les empreses catal...

"Mount Everest, the Reconnaissance, 1921" provides a fascinating insight into the early attempts to conquer the world's highest peak. Authored by Charles Howard-Bury, George Mallory, and Edward Oliver Wheeler (known as "...

The effective enforcement of energy transition is one of the keys to the successful fight to climate change. The interplay between the sustainable UN Agenda 2030 goals is a new interesting ground for the development of i...

El presente trabajo se realizó a partir de los resultados obtenidos en la encuesta LAMIS (Latin American Men-who-have-sex-with-men Internet Survey), la cual tuvo como finalidad recoger datos autoinformados de HSH sobre ...

The effects of financial contagion during the Global Financial Crisis (GFC) have been extensively studied in the finance literarure. One of the key issues is the devastating effect of the crisis on wealth and asset price...

Con esta investigación, se exploró el impacto en la experiencia de aprendizaje de los estudiantes inscritos en cursos numerosos, facilitados por docentes involucrados en investigaciones de aula. La experiencia de apren...

Given the effectiveness shown for the creation of collaborative environments of social network sites and the scarcity of work on their use by researchers, the purpose of this article is the analysis of the use of communi...